17 Questions
Which of the following is a key difference between prokaryotic and eukaryotic DNA?
Prokaryotic DNA is circular while eukaryotic DNA is linear
What is the primary function of the bacterial cell wall?
To provide structural support and protection for the cell
Which of the following is a key function of bacterial flagella?
To allow the cell to move and navigate its environment
What is the primary function of the bacterial capsule?
To help the cell evade the host's immune system
Which of the following is a key difference between prokaryotic and eukaryotic mRNA?
Prokaryotic mRNA is monogenic/mono-cistronic, while eukaryotic mRNA is polygenic/poly-cistronic
What is the structure called that contains the genetic material in prokaryotic cells?
Nucleoid
What is the function of the cell wall in bacteria?
Protection from osmotic stress
Which structure is responsible for bacterial motility?
Flagella
What is the main function of flagella in bacteria?
Providing motility
What is the function of the capsule in bacteria?
Protection from desiccation and phagocytosis
What component is absent in the nuclear body of prokaryotes?
Histones
What is the primary function of the bacterial cell wall?
To provide structural support and shape
What is the role of flagella in bacteria?
For locomotion and chemotaxis
Which of the following statements about bacterial capsules is correct?
They protect bacteria from phagocytosis and desiccation
What is the function of the nuclear body in prokaryotic cells?
Prokaryotes do not have a defined nuclear body
Which component of the Gram-negative cell wall is responsible for endotoxin activity?
Lipopolysaccharide (LPS)
What is the primary function of bacterial fimbriae?
Adhesion to host cells and surfaces
Test your knowledge on bacterial DNA, extra chromosomal DNA materials like plasmids and transposons, and the differences between prokaryotic and eukaryotic DNA. Explore topics such as DNA copies, shapes, locations, histones, repetitive DNA, and introns.
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